The paths of incidence and reflection are in a plane normal to the surface.
入射和反射的路径都在与表面垂直的平面内。
The plane had to deviate from its normal flight path.
那架飞机只好偏离正常的航线。
Any plane actually has infinitely many normal vectors.
每一个平面都有无数条法向量。
And then get this equation for the plane using the normal vector.
然后利用法向量得出切平面的方程。
Airline officials said the plane then restored to normal.
航空公司高级官员称，飞机随后恢复了正常。
Wow, it's like a normal plane, only smaller.
哇，跟普通飞机也没什么区别嘛，只是小点。
The normal plane and its characters 'are discussed.
论述法线平面的一些性质。
It's normal if you don't often take the plane.
如果你不是经常乘坐飞机这就是正常的。
It's normal if you don't often take the plane.
如果你不是经常乘坐飞机这就是正常的。
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